R1 0528

by DeepSeek · deepseek/deepseek-r1-0528

May 28th update to the original DeepSeek R1 Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active...

Input / 1M tokens
$0.50
Output / 1M tokens
$2.15
Context
164K

Specs

Input price$0.50 / 1M tokens
Output price$2.15 / 1M tokens
Cached input$0.35 / 1M tokens
Context window164K tokens
Max output32.8K tokens
Readstext
Writestext
Tool callingYes
ReasoningYes
ListedMay 28, 2025

List prices in USD, updated Oct 30, 2026. Providers may charge differently.

Providers

3 providers serve this model, as of Oct 30, 2026, 18:12 UTC.

Providers serving this model, sorted by price
ProviderQuantizationContextMax outputInput / 1MOutput / 1MCache read / 1MUptime (30 min)Latency (median)Throughput (median)SupportsStatus
DeepInfraCheapestfp4164K32.8K$0.50$2.15$0.35100%852 ms19 tok/sNormal
SiliconFlowfp8164K147K$0.50$2.18—100%1.84 s17 tok/sNormal
StreamLakeFastest—128K32K$0.571$2.29—96.7%3.31 s45 tok/sNormal

"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.